| Band | Ref. CAT | PI | Awarded number of hours | Instrument | Title |
|---|
| A | 46-GTC30/21A | Roi Alonso Sobrino | A (5.33hrs) | HIPERCAM | Tiny slopes: Constraining the mass of the first giant planet candidate transiting a white dwarf |
| A | 75-GTC49-A/21A | Nicolas Lodieu | A (2.4hrs) | EMIR | In-depth study of the unique extreme low metallicity T dwarf, WISE1810-10 |
| A | 75-GTC50-B/21A | Nicolas Lodieu | A (6.3hrs) | EMIR | In-depth study of the unique extreme low metallicity T dwarf, WISE1810-10 |
| A | 75-GTC51-C/21A | Nicolas Lodieu | D (0.42hrs) | HIPERCAM | In-depth study of the unique extreme low metallicity T dwarf, WISE1810-10 |
| A visitor | 11-GTC7/21A | Luis Colina Robledo | A (22hrs) | EMIR | A Vigorously Star-forming Red Quasar Firstly Discovered at z >7 |
| A | 45-GTC29/21A | Rui Marques Chaves | G (22hrs) | EMIR | The physical conditions of the ionized gas and outflows in the most luminous, un-obscured star-forming galaxies known in the Universe |
| A | 56-GTC35/21A | Elham Eftekhari | A (16hrs) | EMIR | Stellar population gradients of nearby isolated elliptical galaxies in the near IR with EMIR |
| A | 65-GTC39/21A | Sara Cazzoli | G (8hrs) | MEGARA | Mapping H-alpha Emission from the Galactic Nuclear Wind |
| A | 71-GTC44/21A | Teodoro Muñoz Darias | 10 A (1hrs) | MEGARA | X-ray Binary Transients: accretion disc winds and nebulae. |
| A visitor | 99-GTC67/21A | Vikram Dhillon | A (22. 0hrs) | HIPERCAM | A search for optical bursts from FRBs with HiPERCAM |
| A visitor | 70-GTC43/21A | Tariq Shahbaz | A (3hrs) | HIPERCAM | The pulse profile of the binary millisecond pulsar PSR J1023+0038 |
| A | 28-GTC16/21A | Hans J. Deeg | 20 A (0.5hrs) | HIPERCAM | Being ready when it wakes up: Resolving the mystery of the 'Where's the flux' star |
| A visitor | 37-GTC23/21A | Nicolas Lodieu | A (28.7hrs) | EMIR | Probing the low-mass end of the IMF at 5-10 Myr in the Upper Scorpius association |
| B | 10-GTC6/21A | Kazushi Iwasawa | A (15hrs) | EMIR | Near-IR snapshot imaging survey for dust-reddened quasars beyond z ~ 6 |
| B | 115-GTC74-A/21A | David Alexander Kann | 1 A (5hrs) | EMIR | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| B | 115-GTC75-B/21A | David Alexander Kann | 1 D (2hrs) | MEGARA | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| B | 115-GTC76-C/21A | David Alexander Kann | 1 A (6hrs) | HIPERCAM | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| B | 34-GTC21-A/21A | Eduardo Martin Guerrero de Escalante | A (9hrs) | EMIR | Deep optical and near-infrared imaging of the atmospheric habitable zones of Y dwarfs |
| B | 34-GTC22-B/21A | Eduardo Martin Guerrero de Escalante | D (9hrs) | HIPERCAM | Deep optical and near-infrared imaging of the atmospheric habitable zones of Y dwarfs |
| B visitor | 2-GTC2/21A | David Barrado Navascués | A (27hrs) | EMIR | Spectroscopy of free-floating planet candidates in Upper Scorpius |
| B | 120-GTC79-A/21A | Pablo Rodríguez Gil | D (2. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC80-B/21A | Pablo Rodríguez Gil | D (2hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC81-C/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC82-D/21A | Pablo Rodríguez Gil | D (2. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC83-E/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC84-F/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC85-G/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC86-H/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC87-I/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC88-J/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC89-K/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC90-L/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC91-M/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 120-GTC92-N/21A | Pablo Rodríguez Gil | D (1. 0hrs) | HIPERCAM | Characterizing ZTF-discovered ultracompact binaries with HiPERCAM |
| B | 57-GTC36/21A | Lluís Galbany | 12 A (1.5hrs) | EMIR | EMIR NIR spectroscopy of Infant Type Ia supernovae |
| B | 62-GTC38/21A | Ana Maria Perez Garcia | G (14.1hrs) | MEGARA | Extended H_alpha emission regions in Abell2390: direct evidence of the gas stripping processes in galaxy clusters. |
| B | 72-GTC45-A/21A | Antonio de Ugarte Postigo | 3 A (2.3hrs) | HIPERCAM | GRBs, their progenitors and their environments: Focusing on the high-redshift universe |
| B | 72-GTC46-B/21A | Antonio de Ugarte Postigo | 4 A (2.5hrs) | EMIR | GRBs, their progenitors and their environments: Focusing on the high-redshift universe |
| B | 73-GTC47/21A | Antonio de Ugarte Postigo | G (16hrs) | HIPERCAM | Connecting GRBs and the Star-Formation-Rate Density: An Unbiased Optical/NIR Host-Galaxy Survey |
| B | 125-GTC96-A/21A | Alberto Javier Castro Tirado | 9 A (1.5hrs) | EMIR | The multiple faces of GRBs: from GW sources to TeV emitters |
| B | 125-GTC97-B/21A | Alberto Javier Castro Tirado | 9 A (1hrs) | EMIR | The multiple faces of GRBs: from GW sources to TeV emitters |
| B | 126-GTC98-B/21A | Ismael Pérez Fournon | 8 G (0.5hrs) | HIPERCAM | Gravitationally lensed SN discovery and follow-up, contribution to the HST LensWatch program |
| B | 112-GTC72/21A | Borja Montoro Molina | A (9.5hrs) | MEGARA | Investigating the true nature and extreme physics of born-again planetary nebulae |
| B | 102-GTC69/21A | Helmut Dannerbauer | A (15hrs) | EMIR | Revealing star-formation and its history in a z = 2.31 protocluster candidate in H-alpha |
| B | 97-GTC65/21A | Nicolas Lodieu | A (29. 0hrs) | EMIR | A search for metal poor wide brown dwarf companions of FGK stars with EMIR and EUCLID |
| B | 13-GTC10/21A | Ignacio Ferreras | G (20.4hrs) | MEGARA | The role of environment in the formation of relic massive ultracompact galaxies |
| B | 82-GTC54/21A | Tariq Shahbaz | 2 A (2hrs) | HIPERCAM | Probing plasma acceleration zones in the inner jets of X-ray binaries |
| B visitor | 84-GTC56/21A | Vikram Dhillon | D (13hrs) | HIPERCAM | On the hunt for black widows |
| B | 123-GTC95/21A | José Feliciano Agüí Fernández | G (9.5 hrs) | MEGARA | The host-galaxy environments of short GRBs with MEGARA |
| B | 40-GTC25/21A | Nicolas Lodieu | A (50hrs) | EMIR | The Mass Function of the Galactic Halo Down to the Hydrogen Burning Mass Limit |
| B | 3-GTC3/21A | Alberto Rebassa Mansergas | A (7.83hrs) | EMIR | A Gaia sample of dusty white dwarfs |
| B | 15-GTC11/21A | Nancy Elias Rosa | D (2.5hrs) | HIPERCAM | Unveiling the nature of interacting supernovae or supernova impostors with HiPERCAM |
| B | 42-GTC27/21A | Javier Licandro Goldaracena | A (11hrs) | EMIR | Digging-up iced fossils in the Solar System, a search for methanol ice on TNOs |
| B | 9-GTC5/21A | José Miguel Rodríguez Espinosa | G (30hrs) | MEGARA | A search for Lyman Continuum leakers |
| B | 68-GTC42/21A | Jorge Sanchez Almeida | D (0.7hrs) | HIPERCAM | Is there a newborn galaxy in the local universe? |
| B | 33-GTC20/21A | David Barrado Navascués | A (15hrs) | MEGARA | CHRONOS: an accurate lithium depletion boundary and kinematics ages for the Beta Pic Moving Group |
| B visitor | 49-GTC31/21A | Jorge Casares Velázquez | A (11hrs) | HIPERCAM | Tracking the spin-down of a new fast-spinning accreting magnetic white dwarf |
| B | 8-GTC4/21A | Anna Ferré-Mateu | D (8.5hrs) | MEGARA | A first look at stellar shells with GTC/MEGARA |
| B | 91-GTC62-A/21A | Manuel Ángel Pérez Torres | A (15hrs) | EMIR | Testing X-ray models for Intermediate Polars |
| B | 80-GTC53/21A | Tariq Shahbaz | G (17hrs) | HIPERCAM | Better mass ratio estimates for thousands of accreting binaries. |
| B | 116-GTC77/21A | Christina Thoene | G (19hrs) | MEGARA | 3D kinematics and abundances in SLSN hosts with MEGARA |
| C | 55-GTC34/21A | María Rosa Zapatero Osorio | A (60hrs) | EMIR | Characterizing the volatile clouds of late-T-to-Y transition brown dwarfs |
| C | 117-GTC78/21A | Artemio Herrero Davó | A (12.4hrs) | EMIR | High-mass stellar population in the (distant) Galactic outskirts |
| C | 122-GTC94/21A | Paul Ross McWhirter | G (6.5 hrs) | HIPERCAM | HiPERCAM photometry of the first multiperiodic Blue-Large Amplitude Pulsator candidate |
| C | 130-GTC99/21A | Victor J. Sanchez Bejar | A (8hrs) | EMIR | Direct emission light from a transiting brown dwarf in Praesepe |
| C | 22-GTC13/21A | Luis Julián Goicoechea Santamaría | A (3.2hrs) | EMIR | NIR spectroscopy of SDSS J1339+1310 |
| C | 32-GTC19/21A | Rafael Guzman Llorente | G (10hrs) | EMIR | Precision Cosmology Through EMIR-MOS Observation of HII galaxies at z=1.5 |
| C | 95-GTC64/21A | Pablo Renard Guiral | G (2hrs) | MEGARA | A dwarf galaxy with an extremely extended disk |
| C | 52-GTC33/21A | Anastasio Díaz Sánchez | A (3.5hrs) | EMIR | Spectroscopic characterization of an ultra-bright Submillimeter high redshift Galaxy with Milky Way-like low molecular gas excitation. |
| C | 38-GTC24/21A | Ignacio Negueruela Díez | A (11hrs) | MEGARA | Abundances in High-mass X-ray binaries: probes of the path to gravitational waves |
| C | 94-GTC63/21A | Vikram Dhillon | D (5hrs) | HIPERCAM | A search for optical pulsations in the Anomalous X-ray Pulsar XTE J1810-197 |
| C | 121-GTC93/21A | David Garcia Alvarez | A (5hrs) | HIPERCAM | Are unseen companions the source of mysterious X-ray emission from A stars? |
| C | 44-GTC28/21A | Angeles Diaz Beltran | G (2.5hrs) | MEGARA | A high spatial and spectral resolution study of circumnuclear star-forming regions (CNSFR) |
| C | 12-GTC9-B/21A | Alberto Rebassa Mansergas | G (33hrs) | HIPERCAM | Eclipsing white dwarf binaries from the Zwicky Transient Facility |
| C | 110-GTC71/21A | Simón Díaz García | D (21hrs) | MEGARA | Dwarf Galaxies as Probes of Fundamental Galaxy Trends |
| C | 74-GTC48/21A | Montserrat Armas Padilla | G (4.2hrs) | HIPERCAM | The quest for ultra-compact X-ray binaries: the testbed case of 4U 1812-12 |
| C | 88-GTC60/21A | Manuel Ángel Pérez Torres | D (1hrs) | HIPERCAM | A deep optical search for the host of the fast X-ray transient XRT 000519 |
| C | 101-GTC68/21A | Paul Ross McWhirter | G (26hrs) | MEGARA | Doppler Spectroscopy of OGLE-BLAP-009: Are Blue Large Amplitude Pulsators in Post-Common Envelope Binaries? |
| C | 113-GTC73/21A | Sara Cazzoli | G (14hrs) | MEGARA | What is the intrinsic shape of blue compact dwarf galaxies? |
| C | 98-GTC66/21A | David Garcia Alvarez | A (4.2 hrs) | EMIR | Measuring jet velocities in three FUor type young eruptive stars |
| C | 31-GTC18/21A | Pilar Ruiz Lapuente | G (18hrs) | EMIR | Improved dark energy determination with SNe Ia at z > 1 within the Subaru program using the HSC and EMIR at the GTC |
| C | 105-GTC70/21A | María Begoña García Lorenzo | G (11.9hrs) | MEGARA | Resolved stellar kinematics of QSOs host galaxies at redshift 0.1 |
| C | 41-GTC26/21A | Francisco Najarro de la Parra | G (13hrs) | EMIR | Massive binaries and colliding winds in the Quintuplet Cluster |
| C | 90-GTC61/21A | Antonio Arroyo Polonio | D (24hrs) | MEGARA | Evolutionary properties of new discovered extreme emission line galaxies with MEGARA |
| C | 1-GTC1/21A | Josep Marti Ribas | A (1hrs) | EMIR | A second attempt to solve the nature of mysterious source G70.7+1.2 |
| C | 66-GTC40/21A | Karla Ziboney Arellano Cordova | G (2.5hrs) | MEGARA | Testing the temperature and chemical homogeneity of the giant H II region NGC 5471 using high-quality MEGARA observations. |
| C | 51-GTC32/21A | Riccardo Scarpa | D (10hrs) | EMIR | EMIR imaging of TeV gamma-ray blazars |
| C | 86-GTC57-A/21A | David Garcia Alvarez | A (4.8hrs) | EMIR | GTC photometry and spectroscopy of Gaia-alerted eruptive star candidates |
| C | 86-GTC58-B/21A | David Garcia Alvarez | G (3hrs) | MEGARA | GTC photometry and spectroscopy of Gaia-alerted eruptive star candidates |
| Filler | 23-GTC14/21A | Mercedes Mollá Lorente | A (75hrs) | MEGARA | MEGASTAR. MEGARA-GTC Stellar Library |
| Filler | 83-GTC55/21A | Javier Sánchez Sierras | A (57.6hrs) | EMIR | Revealing near-infrared accretion disc winds at high luminosities with persistent neutron star X-ray binaries |
| Filler | 26-GTC15/21A | Martin Guerrero Roncel | A (80hrs) | EMIR | EMIR Survey of the H2 Content of Planetary Nebulae |
| Filler | 30-GTC17/21A | Rafael Guzman Llorente | A (25hrs) | MEGARA | Characterizing 2nd Parameters Effect on HII Galaxies' L-sigma Relation with MEGARA-IFU |
| Filler | 87-GTC59/21A | David Morate González | A (30hrs) | EMIR | Near-infrared spectra of Potentially Hazardous Asteroids (PHAs) with EMIR |
| Filler | 12-GTC8-A/21A | Alberto Rebassa Mansergas | A (61hrs) | HIPERCAM | Eclipsing white dwarf binaries from the Zwicky Transient Facility |
| Filler | 76-GTC52/21A | Julia de Leon Cruz | A (10hrs) | HIPERCAM | Visible colors of NEAs accesible to spacecraft using HiPERCAM |